Home / 4,087.62-6,131.46-1,165.95

Finding the Fourth Proportional to 4,087.62, 6,131.46 and 1,165.95

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Solution

The fourth proportional to 4,087.62, 6,131.46 and 1,165.95 is: 1,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.62 : 6,131.46 = 1,165.95 : x
  2. Step 2: Convert to fraction form
    4,087.62/6,131.46 = 1,165.95/x
  3. Step 3: Cross multiply
    4,087.62x = 6,131.46 × 1,165.95
  4. Step 4: Simplify right side
    4,087.62x = 7,148,975.79
  5. Step 5: Solve for x
    x = 7,148,975.79/4,087.62
  6. Step 6: Final answer
    x = 1,748.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.